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Related to thromboplastin: Prothrombin time


A complex of protein and phospholipids that is found in tissues and platelets and facilitates blood clotting by converting prothrombin to thrombin.


(Biochemistry) any of a group of substances that are liberated from damaged blood platelets and other tissues and convert prothrombin to thrombin. Also called: thrombokinase


(ˌθrɒm bəˈplæs tɪn)

a lipoprotein in the blood that converts prothrombin to thrombin.
Also called throm•bo•ki•nase (ˌθrɒm boʊˈkaɪ neɪs, -ˈkɪn eɪs)
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thromboplastin - an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot
clotting factor, coagulation factor - any of the factors in the blood whose actions are essential for blood coagulation
References in periodicals archive ?
A comparison of red blood cell transfusion utilization between anti-activated factor X and activated partial thromboplastin monitoring in patients receiving unfractionated heparin.
The partial thromboplastin time has been the gold standard for monitoring.
Prothrombin time and activated partial thromboplastin time, albumin levels and alpha-1 antitrypsin value checked for liver failure were normal.
Prolonged Prothrombin Time, Activated Partial Thromboplastin Time and a normal platelet count pointed towards a disorder of coagulation.
Venous blood samples were taken and screened for the hemoglobin level (Hb), platelet count, prothrombin time (PT), activated partial thromboplastin time (aPTT) and Von Willebrand antigen (vWF:Ag) in addition to bleeding time (BT) at the Armed Forces Institute of Pathology (AFIP).
CFV/VIII deficiency is unlikely since both the prothrombin time (PT) and partial thromboplastin time (PTT) are not prolonged (1).
The addition of thromboplastin, which comprises tissue factor plus phospholipids, along with the addition of calcium chloride initiate the PT test.
lucidum in-vitro based on prothrombin time (PT) and activated partial thromboplastin time (aPTT).
At that time, she was admitted to the hospital, where lab tests showed prolonged prothrombin time (PT), international normalized ratio (INR), activated partial thromboplastin time (aPTT), and elevated D-dimer level, with a normal platelet count.
Activated partial thromboplastin time, prothrombin time, and fibrinogen were measured as a means of comparison.
05, respectively), and the activated partial thromboplastin time prolonged significantly at 2 and 4 hours following nattokinase administration (p<0.
In hemophilia B (Christmas disease), the second most common type, factor IX (plasma thromboplastin component) is lacking.

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